532530321400 has 192 divisors, whose sum is σ = 1547552378880. Its totient is φ = 165563481600.

The previous prime is 532530321383. The next prime is 532530321413. The reversal of 532530321400 is 4123035235.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6070249 + ... + 6157351.

It is an arithmetic number, because the mean of its divisors is an integer number (8060168640).

Almost surely, 2^532530321400 is an apocalyptic number.

532530321400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 532530321400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773776189440).

532530321400 is an abundant number, since it is smaller than the sum of its proper divisors (1015022057480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

532530321400 is a wasteful number, since it uses less digits than its factorization.

532530321400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87534 (or 87525 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 532530321400 its reverse (4123035235), we get a palindrome (536653356635).

The spelling of 532530321400 in words is "five hundred thirty-two billion, five hundred thirty million, three hundred twenty-one thousand, four hundred".